#!user/bin/env python3
# -- coding: utf-8 --
# @Createtime：2022/5/30
# @Updatetime：9:37
# @Author：Test008
# @File：main.py
# @Description：
# 'he ll o wor ld '
import collections
num=[]
for i in [1,2,3]:
    for j in [1,2,3,4]:
        if i!=j:
            num.append((i,j))

print(num)
print(collections.Counter(num))